Home / 10,893,920.40-16,346,129.40-7,692,152.40

Finding the Fourth Proportional to 10,893,920.40, 16,346,129.40 and 7,692,152.40

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Solution

The fourth proportional to 10,893,920.40, 16,346,129.40 and 7,692,152.40 is: 11,541,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893,920.40 : 16,346,129.40 = 7,692,152.40 : x
  2. Step 2: Convert to fraction form
    10,893,920.40/16,346,129.40 = 7,692,152.40/x
  3. Step 3: Cross multiply
    10,893,920.40x = 16,346,129.40 × 7,692,152.40
  4. Step 4: Simplify right side
    10,893,920.40x = 125,736,918,494,920.56
  5. Step 5: Solve for x
    x = 125,736,918,494,920.56/10,893,920.40
  6. Step 6: Final answer
    x = 11,541,934.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.